20163437259

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2187161}}^1$

素因数の和:2187610

約数の個数: 16

約数和(自身を含む): 30795240960

約数和(自身を除く): 10631803701

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 2187161, 6561483, 15310127, 45930381, 960163679, 2880491037, 6721145753, 20163437259]

約数ペア:

[(1, 20163437259), (3, 6721145753), (7, 2880491037), (21, 960163679), (439, 45930381), (1317, 15310127), (3073, 6561483), (9219, 2187161)]